APA (7th ed.) Citation

Riesz, F., & Boron, L. F. (1990). Functional analysis. Dover Publications.

Chicago Style (17th ed.) Citation

Riesz, Frigyes, and Leo F. Boron. Functional Analysis. New York: Dover Publications, 1990.

MLA (8th ed.) Citation

Riesz, Frigyes, and Leo F. Boron. Functional Analysis. Dover Publications, 1990.